Grant file access permissions for cached file paths to file browsers/handlers.

chrome/browser/chromeos/extensions/file_browser_private_api.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_PRIVATE_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_PRIVATE_API_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 215 matching lines @@
 
  protected:
   virtual ~AddMountFunction();
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
   // Sends gdata mount event to renderers.
   void RaiseGDataMountEvent(gdata::GDataErrorCode error);
+  // Gives the extension renderer file permissions for the given path.
+  void GrantFilePermissionsToHost(const FilePath& path, int permissions);
   // Adds gdata mount point.
   void AddGDataMountPoint();
   // A callback method to handle the result of GData authentication request.
   void OnGDataAuthentication(gdata::GDataErrorCode error,
                              const std::string& token);
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const std::string& mount_type_str,
                                        const SelectedFileInfoList& files);
 
@@ skipping 266 matching lines @@
  protected:
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
  private:
   DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.cancelTransfers");
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_PRIVATE_API_H_